Page not found (404)

Request Method: GET
Request URL: http://ogaevents.pcusa.org/register/purchase-222nd-general-assembly-2016-participant-l/
Raised by: register.views.new_registration

No Event matches the given query.

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 404 page.